Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual é o canal de dwlj-tv?
 ###Tabelas: CREATE TABLE siena_college_research_institute_survey (siena_college_research_institute_survey_id AUTO_INCREMENT PRIMARY KEY, Seq. VARCHAR, Name VARCHAR, Background INT, Party Leadership INT, Communication Ability INT, Relations with Congress INT, Court Appointments INT, Handling of Economy INT, Luck INT, Ability to Compromise INT, Willing to take Risks INT, Executive Appointments INT, Overall Ability INT, Imagination INT, Domestic Accomplishments INT, Integrity INT, Executive Ability INT, Foreign Policy Accomplishments INT, Leadership Ability INT, Intelligence INT, Avoid Crucial Mistakes INT, Expert's View INT, Overall INT) CREATE TABLE montreal_canadiens_3_chicago_black_hawks_2 (montreal_canadiens_3_chicago_black_hawks_2_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Visitor VARCHAR, Score VARCHAR, Home VARCHAR, Record VARCHAR) CREATE TABLE rjtv_stations_nationwide_2nd_avenue (rjtv_stations_nationwide_2nd_avenue_id AUTO_INCREMENT PRIMARY KEY, Branding VARCHAR, Callsign VARCHAR, Ch. # VARCHAR, Power (kW) VARCHAR, Station Type VARCHAR, Coverage (Transmitter site) VARCHAR) CREATE TABLE regular_season_results (regular_season_results_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Wins INT, Losses INT, Win% INT, Games behind VARCHAR, Playoffs VARCHAR, Results VARCHAR) CREATE TABLE religious_political_or_racial_crimes (religious_political_or_racial_crimes_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Year INT, Location VARCHAR, Country VARCHAR, Killed VARCHAR, Injured VARCHAR)  
SELECT Ch. # FROM rjtv_stations_nationwide_2nd_avenue WHERE Callsign = DWLJ-TV